<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt"><div><span class="Apple-style-span" style="font-family: times, serif; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Hi,</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">&nbsp;&nbsp;I am using gromacs_4.0.7 to calculate the&nbsp;<span class="yshortcuts" id="lw_1307154770_0" style="color: rgb(54, 99, 136); border-bottom-style: dotted; border-bottom-width: 2px; border-bottom-color: rgb(54, 99, 136); cursor: pointer; ">Scattering</span>&nbsp;Intensity as a function of scattering vectors(q) using g_rdf -sq command .</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">But, I found that there is no way that one can increase/decrease the grid spacing &nbsp;for&nbsp;<span
 class="yshortcuts" id="lw_1307154770_1" style="color: rgb(54, 99, 136); cursor: pointer; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-bottom-style: none; border-bottom-width: initial; border-bottom-color: initial; background-position: initial initial; background-repeat: initial initial; ">structure factor calculation</span>. I tried using -bin option , but that does not change anything as that only works for changing bin-width for&nbsp;<span class="yshortcuts" id="lw_1307154770_2" style="color: rgb(54, 99, 136); border-bottom-style: dotted; border-bottom-width: 2px; border-bottom-color: rgb(54, 99, 136); cursor: pointer; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; background-position: initial initial; background-repeat: initial initial; ">Radial
 distribution function</span>calculation.&nbsp;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">If some one can point me out any way out of changing the grid spacing for&nbsp;<span class="yshortcuts" id="lw_1307154770_3" style="color: rgb(54, 99, 136); border-bottom-style: dotted; border-bottom-width: 2px; border-bottom-color: rgb(54, 99, 136); cursor: pointer; ">structure factor</span>, that will be very helpful.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Sanku</div></span></div><div style="position:fixed"></div>


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